The animated short film The Lost Clock tells the story of a watchmaker who released his dark personality by repairing a strange clock, and then his other personality destroyed all the clocks. This film takes the clock as the fuse and the shadow as the breakthrough point of personality split, reflecting the world of a patient with personality split. This paper expounds the inspiration source, creative thinking and artistic style of short films, as well as some production ideas and problems in the creative process of lens language, role performance, timbre effect and music sound effect, and puts forward some solutions found after a series of practices.

The cartoon "The Lost Clock" describes a story in which a watchmaker releases his dark personality after repairing a strange clock, and then his dark personality destroys all other clocks. This book takes the shadow schizophrenia as the starting point and the clock as the fuse, reflecting a world of patients with split personality. This paper expounds the inspiration, creative thinking, artistic style, some creative methods of lens language, role performance, color matching effect, music and sound, and some problems in the production process. Finally, the solutions found through a series of practices are introduced.

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